The Dalles Weather in October

The climate in The Dalles during October can be summarized as cool and reasonably dry.

October is in the fall / autumn in The Dalles and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 2°C (36°F) is normal.

On average October is the 6th wettest month of the year in The Dalles with around 42mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.2 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in The Dalles in October 2025.